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const gdv_691b70aab571bcanvas = document.getElementById("gdv_691b70aab571bimageCanvas"); const gdv_691b70aab571bctx = gdv_691b70aab571bcanvas.getContext("2d");
const gdv_691b70aab571bthumbnailContainer = document.getElementById("gdv_691b70aab571bthumbnailContainer"); const gdv_691b70aab571bthumbnailContainerWrapper = document.getElementById("gdv_691b70aab571bthumbnailContainerWrapper"); const gdv_691b70aab571bzoomInButton = document.getElementById("gdv_691b70aab571bzoomIn"); const gdv_691b70aab571bzoomOutButton = document.getElementById("gdv_691b70aab571bzoomOut"); const gdv_691b70aab571bresetZoomButton = document.getElementById("gdv_691b70aab571bresetZoom");
const gdv_691b70aab571bbrightnessInput = document.getElementById("gdv_691b70aab571bbrightness"); const gdv_691b70aab571bcontrastInput = document.getElementById("gdv_691b70aab571bcontrast"); const gdv_691b70aab571bfullscreenButton = document.getElementById("gdv_691b70aab571bfullscreen");
const gdv_691b70aab571brotateRightButton = document.getElementById("gdv_691b70aab571brotateRight"); const gdv_691b70aab571brotateLeftButton = document.getElementById("gdv_691b70aab571brotateLeft");
const gdv_691b70aab571bprevSlideButton = document.getElementById("gdv_691b70aab571bprevSlide"); const gdv_691b70aab571bnextSlideButton = document.getElementById("gdv_691b70aab571bnextSlide"); const gdv_691b70aab571bslideNumberDisplay = document.getElementById("gdv_691b70aab571bslideNumber"); const gdv_691b70aab571bimageName = document.getElementById("gdv_691b70aab571bimageName");
let gdv_691b70aab571bcurrentSlideIndex = 0;
gdv_691b70aab571bbrightnessInput.addEventListener("input", gdv_691b70aab571bdrawImage); gdv_691b70aab571bcontrastInput.addEventListener("input", gdv_691b70aab571bdrawImage);
const gdv_691b70aab571bimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1TfoGnl1dK0DMYAw44K87vq4Ys3pGzRPP&sz=w3000","name":"EPOL et LFS_ Interdiction de la Croix de Saint-Louis.jpg"}];
let gdv_691b70aab571bscale = 1; let gdv_691b70aab571boriginX = 0; let gdv_691b70aab571boriginY = 0; const gdv_691b70aab571bminScale = 0.1; const gdv_691b70aab571bmaxScale = 5; let gdv_691b70aab571bcurrentImage = new Image();
let gdv_691b70aab571brotationAngle = 0;
gdv_691b70aab571brotateRightButton.addEventListener("click", function() { gdv_691b70aab571brotationAngle = (gdv_691b70aab571brotationAngle + 90) % 360; gdv_691b70aab571bdrawImage(); });
gdv_691b70aab571brotateLeftButton.addEventListener("click", function() { gdv_691b70aab571brotationAngle = (gdv_691b70aab571brotationAngle - 90 + 360) % 360; gdv_691b70aab571bdrawImage(); });
function filtrerChaine(texte, cacher) { if (!texte) return "";
switch (cacher) { case "chiffre": return texte.replace(/\d/g, "");
case "tout": return "";
case "vide": default: return texte; } }
// Charger la première image par défaut gdv_691b70aab571bcurrentImage.src = gdv_691b70aab571bimageUrls[0]["url"]; gdv_691b70aab571bimageName.innerHTML = filtrerChaine(gdv_691b70aab571bimageUrls[0]["name"], "rien"); gdv_691b70aab571bcurrentImage.onload = function() {
gdv_691b70aab571bupdateSlideNumber(); gdv_691b70aab571bresizeCanvas(); gdv_691b70aab571bdrawImage(); document.getElementById("gdv_691b70aab571bcontrols").style.display = "block"; };
function gdv_691b70aab571bupdateSlideNumber() { gdv_691b70aab571bslideNumberDisplay.textContent = `${gdv_691b70aab571bcurrentSlideIndex + 1} / ${gdv_691b70aab571bimageUrls.length}`; }
gdv_691b70aab571bprevSlideButton.addEventListener("click", function() { if (gdv_691b70aab571bcurrentSlideIndex > 0) { gdv_691b70aab571bcurrentSlideIndex--; gdv_691b70aab571bloadImage(gdv_691b70aab571bcurrentSlideIndex); gdv_691b70aab571bupdateSlideNumber(); } });
gdv_691b70aab571bnextSlideButton.addEventListener("click", function() { if (gdv_691b70aab571bcurrentSlideIndex < gdv_691b70aab571bimageUrls.length - 1) { gdv_691b70aab571bcurrentSlideIndex++; gdv_691b70aab571bloadImage(gdv_691b70aab571bcurrentSlideIndex); gdv_691b70aab571bupdateSlideNumber(); } }); function gdv_691b70aab571bresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_691b70aab571bcanvasContainer"); gdv_691b70aab571bcanvas.width = container.clientWidth; gdv_691b70aab571bcanvas.height = container.clientHeight - 30; gdv_691b70aab571bfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_691b70aab571bdrawImage(); } window.addEventListener("load", gdv_691b70aab571bresizeCanvas); window.addEventListener("resize", gdv_691b70aab571bresizeCanvas); function gdv_691b70aab571bfitImageToCanvas() { const canvasAspect = gdv_691b70aab571bcanvas.width / gdv_691b70aab571bcanvas.height; const imageAspect = gdv_691b70aab571bcurrentImage.width / gdv_691b70aab571bcurrentImage.height; if (imageAspect > canvasAspect) { gdv_691b70aab571bscale = gdv_691b70aab571bcanvas.width / gdv_691b70aab571bcurrentImage.width; } else { gdv_691b70aab571bscale = gdv_691b70aab571bcanvas.height / gdv_691b70aab571bcurrentImage.height; } gdv_691b70aab571boriginX = gdv_691b70aab571bcanvas.width / 2; gdv_691b70aab571boriginY = gdv_691b70aab571bcanvas.height / 2; }
function gdv_691b70aab571bdrawImage() { gdv_691b70aab571bctx.clearRect(0, 0, gdv_691b70aab571bcanvas.width, gdv_691b70aab571bcanvas.height); gdv_691b70aab571bctx.save(); gdv_691b70aab571bctx.translate(gdv_691b70aab571boriginX, gdv_691b70aab571boriginY); gdv_691b70aab571bctx.rotate((Math.PI / 180) * gdv_691b70aab571brotationAngle); gdv_691b70aab571bctx.scale(gdv_691b70aab571bscale, gdv_691b70aab571bscale);
// Appliquer la luminosité et le contraste gdv_691b70aab571bctx.filter = `brightness(${gdv_691b70aab571bbrightnessInput.value}) contrast(${gdv_691b70aab571bcontrastInput.value})`; gdv_691b70aab571bctx.drawImage(gdv_691b70aab571bcurrentImage, -gdv_691b70aab571bcurrentImage.width/2, -gdv_691b70aab571bcurrentImage.height/2); gdv_691b70aab571bctx.restore(); }
// Ajouter les miniatures des images gdv_691b70aab571bimageUrls.forEach((obj, index) => { const slide = document.createElement("div"); slide.classList.add("swiper-slide"); const img = new Image(); img.loading = "lazy"; img.src = obj["url"]; img.onclick = function() { gdv_691b70aab571bloadImage(index); gdv_691b70aab571bcurrentSlideIndex = index; gdv_691b70aab571bupdateSlideNumber(); }; slide.appendChild(img); gdv_691b70aab571bthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_691b70aab571bloadImage(index) { gdv_691b70aab571bcurrentImage.src = gdv_691b70aab571bimageUrls[index]["url"]; gdv_691b70aab571bimageName.innerHTML = filtrerChaine(gdv_691b70aab571bimageUrls[index]["name"], "rien"); gdv_691b70aab571bcurrentImage.onload = function() { gdv_691b70aab571bscale = 1; gdv_691b70aab571boriginX = 0; gdv_691b70aab571boriginY = 0; gdv_691b70aab571bfitImageToCanvas(); gdv_691b70aab571bdrawImage(); };
const thumbnails = document.querySelectorAll(".swiper-slide"); thumbnails.forEach((thumb, i) => { if (i === index) { thumb.classList.add("active-thumbnail"); } else { thumb.classList.remove("active-thumbnail"); } }); }
// Initialiser Swiper var gdv_691b70aab571bswiper = new Swiper(".gdv_691b70aab571bswiper-container", { direction: "horizontal", slidesPerView: 8, spaceBetween: 5, breakpoints: { 576: { slidesPerView: 8, spaceBetween: 5 }, 768: { slidesPerView: 9, spaceBetween: 5 }, 992: { slidesPerView: 11, spaceBetween: 5 }, 1200: { slidesPerView: 13, spaceBetween: 5 } }, mousewheel: true, });
document.querySelector(".swiper-slide").classList.add("active-thumbnail");
//gdv_691b70aab571bswiper.on("slideChange", function () { // gdv_691b70aab571bcurrentSlideIndex = gdv_691b70aab571bswiper.activeIndex; // gdv_691b70aab571bupdateSlideNumber(); //});
// Plein écran gdv_691b70aab571bfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_691b70aab571bgd-image-gallery").requestFullscreen().catch(err => { alert(`Erreur lors de la tentative de mise en plein écran: ${err.message}`); }); } else { document.exitFullscreen(); } });
// Impression du canvas
/*printButton.addEventListener("click", function() {
const dataUrl = canvas.toDataURL();
const windowContent = ``;
const printWindow = window.open("", "", "width=800,height=800");
printWindow.document.write(windowContent);
printWindow.document.close();
});
*/
// Gestion du zoom gdv_691b70aab571bcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_691b70aab571bscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_691b70aab571bminScale, Math.min(gdv_691b70aab571bmaxScale, newScale)); const scaleRatio = newScale / gdv_691b70aab571bscale; gdv_691b70aab571boriginX = mouseX - (mouseX - gdv_691b70aab571boriginX) * scaleRatio; gdv_691b70aab571boriginY = mouseY - (mouseY - gdv_691b70aab571boriginY) * scaleRatio; gdv_691b70aab571bscale = newScale; gdv_691b70aab571bdrawImage(); }); // Gestion du déplacement (pan) let gdv_691b70aab571bisDragging = false; let gdv_691b70aab571bstartX, gdv_691b70aab571bstartY; gdv_691b70aab571bcanvas.addEventListener("mousedown", function(event) { gdv_691b70aab571bisDragging = true; gdv_691b70aab571bstartX = event.offsetX - gdv_691b70aab571boriginX; gdv_691b70aab571bstartY = event.offsetY - gdv_691b70aab571boriginY; gdv_691b70aab571bcanvas.style.cursor = "grabbing"; }); gdv_691b70aab571bcanvas.addEventListener("mousemove", function(event) { if (gdv_691b70aab571bisDragging) { gdv_691b70aab571boriginX = event.offsetX - gdv_691b70aab571bstartX; gdv_691b70aab571boriginY = event.offsetY - gdv_691b70aab571bstartY; gdv_691b70aab571bdrawImage(); } }); // Gestion des événements tactiles gdv_691b70aab571bcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_691b70aab571bisDragging = true; const touch = event.touches[0]; gdv_691b70aab571bstartX = touch.pageX - gdv_691b70aab571boriginX; gdv_691b70aab571bstartY = touch.pageY - gdv_691b70aab571boriginY; } }); gdv_691b70aab571bcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_691b70aab571boriginX = touch.pageX - gdv_691b70aab571bstartX; gdv_691b70aab571boriginY = touch.pageY - gdv_691b70aab571bstartY; gdv_691b70aab571bdrawImage(); }); gdv_691b70aab571bcanvas.addEventListener("touchend", function() { gdv_691b70aab571bisDragging = false; }); gdv_691b70aab571bcanvas.addEventListener("mouseup", function() { gdv_691b70aab571bisDragging = false; gdv_691b70aab571bcanvas.style.cursor = "grab"; }); gdv_691b70aab571bcanvas.addEventListener("mouseleave", function() { gdv_691b70aab571bisDragging = false; gdv_691b70aab571bcanvas.style.cursor = "grab"; }); gdv_691b70aab571bzoomInButton.addEventListener("click", function() { let newScale = gdv_691b70aab571bscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_691b70aab571bscale = Math.max(gdv_691b70aab571bminScale, Math.min(gdv_691b70aab571bmaxScale, newScale)); gdv_691b70aab571bdrawImage(); }); gdv_691b70aab571bzoomOutButton.addEventListener("click", function() { let newScale = gdv_691b70aab571bscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_691b70aab571bscale = Math.max(gdv_691b70aab571bminScale, Math.min(gdv_691b70aab571bmaxScale, newScale)); gdv_691b70aab571bdrawImage(); }); gdv_691b70aab571bresetZoomButton.addEventListener("click", function() { gdv_691b70aab571brotationAngle = 0; gdv_691b70aab571bfitImageToCanvas(); gdv_691b70aab571bdrawImage(); }); function gdv_691b70aab571bgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_691b70aab571bdownloadImage").addEventListener("click", function() { let url = gdv_691b70aab571bcurrentImage.src; const imageId = gdv_691b70aab571bgetImageIdFromUrl(url); const apiUrl = `${window.location.origin}/wp-json/gdv/v1/download-image?image_id=${imageId}`; fetch(apiUrl) .then(response => response.blob()) .then(blob => { const url = window.URL.createObjectURL(blob); const a = document.createElement("a"); a.style.display = "none"; a.href = url; a.download = `${imageId}.jpg`; document.body.appendChild(a); a.click(); window.URL.revokeObjectURL(url); }) .catch(error => console.error("Error downloading image:", error)); });
function gdv_691b70aab571bprintImageFromApi(imageId) { const apiUrl = `${window.location.origin}/wp-json/gdv/v1/download-image?image_id=${imageId}`;
fetch(apiUrl) .then(response => response.blob()) .then(blob => { const url = URL.createObjectURL(blob); const printWindow = window.open("", "_blank"); printWindow.document.write(`
const gdv_691b70aab571bprintButton = document.getElementById("gdv_691b70aab571bprintCanvas");
gdv_691b70aab571bprintButton.addEventListener("click", function() { let url = gdv_691b70aab571bcurrentImage.src; const imageId = gdv_691b70aab571bgetImageIdFromUrl(url); gdv_691b70aab571bprintImageFromApi(imageId); });
let gdv_691b70aab571binitialDistance = 0; let gdv_691b70aab571binitialScale = 1;
gdv_691b70aab571bcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_691b70aab571binitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_691b70aab571binitialScale = gdv_691b70aab571bscale; } });
gdv_691b70aab571bcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_691b70aab571binitialDistance; let newScale = gdv_691b70aab571binitialScale * scaleChange;
newScale = Math.max(gdv_691b70aab571bminScale, Math.min(gdv_691b70aab571bmaxScale, newScale));
const centerX = (event.touches[0].pageX + event.touches[1].pageX) / 2; const centerY = (event.touches[0].pageY + event.touches[1].pageY) / 2;
const scaleRatio = newScale / gdv_691b70aab571bscale; gdv_691b70aab571boriginX = centerX - (centerX - gdv_691b70aab571boriginX) * scaleRatio; gdv_691b70aab571boriginY = centerY - (centerY - gdv_691b70aab571boriginY) * scaleRatio;
gdv_691b70aab571bscale = newScale; gdv_691b70aab571bdrawImage(); // Remplacez par votre fonction de dessin } });
function getDistance(touch1, touch2) { const dx = touch2.pageX - touch1.pageX; const dy = touch2.pageY - touch1.pageY; return Math.sqrt(dx * dx + dy * dy); }